Patents by Inventor Ronald Sapelak

Ronald Sapelak has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Console mounted controller
    Patent number: 4796480
    Abstract: An electro-mechanical controller for railway locomotives and other applications is arranged with separate throttle/dynamic brake and reverser handles pivotable on a common, preferably horizontal, axis. Various mechanical interlocks are provided to meet established AAR requirements in a compact assembly arranged for console mounting.
    Type: Grant
    Filed: July 17, 1987
    Date of Patent: January 10, 1989
    Assignee: General Motors of Canada Limited
    Inventors: Barry L. Amos, Ronald Sapelak, Peter Vanderweg
  • Means for converting a grapple skidder to a cable skidder
    Patent number: 4403902
    Abstract: An improved boom grapple assembly which enables a skidder operator to easily transform the boom grapple assembly from a grapple skidder mode of operation to a cable skidder mode of operation and back again.
    Type: Grant
    Filed: January 26, 1982
    Date of Patent: September 13, 1983
    Assignee: Clark Equipment Company
    Inventor: Ronald Sapelak
  • Detachable butt grill for grapple arch
    Patent number: D272827
    Type: Grant
    Filed: June 17, 1981
    Date of Patent: February 28, 1984
    Assignee: Clark Equipment Company
    Inventor: Ronald Sapelak